I opened the G3 set today (very exciting!) and played with it on my table, where my Goodbye Convoy set (obtained from Japan) was sitting. *light bulb* Maybe I could put the Henkei versions of Optimus Prime, Mirage and Red Alert next to their G1 counterparts - with the G3 trailer, my Henkei Prime was 'complete'.
So I did.
G1 Goodbye Convoy
Henkei "Goodbye Convoy"
Red Alerts and Mirages
'Goodbye, sir', he said. 'And goodbye to you too', he replied.